Group 26 battery dimensions. Sealed on three sides, ACDelco Advantage Batteries' separators are shaped like an envelope, made of polyvinyl chloride. Group Size 26 has a positive terminal on the left side, which is the most common style, but your car requires dimensions around 8 3/16 inches in length, 6 13/16 inches in width, and 7 3/4 inches in height for a snug fit. The group size of a battery is determined by its physical dimensions and the number of terminals it has. Envelope separator design helps eliminate shorting and "corrode-through" to maximize reliability and battery life. 5″ taller but offer 20% higher RC. 81 x 7. The "R" in 26R denotes "Reverse" terminal polarity, important for proper fit and connection in the generator system. 8" H). Jul 5, 2024 ยท One of the defining characteristics of a Group 26 battery is its size. . mqwvqe5 tsz1wsir ecn o38g dv61 oy inw fwyr t9lllj pkz5e